de Cezar Popescu | oct. 26, 2014 | Acid fixers, BW Formula, Compensating developer, Developers, Fixers, formula, Imperial Dry Plate, manufacturers, Two-bath developers
Developers for plates “Pyro-Soda.” Stock Solution. Metabisulphite of Potass. 50 grs. 10 grms. Pyrogallic Acid 1 oz. 83 grms. Bromide of Potassium 60 grs. 13 grms. Water (boiled or distilled) to 12 oz. 1.000 c.c. No. 1. Stock Solution 3 oz. 150 c.c. Water (boiled or... 